Low speed automatic cancellation

ACC is not functional at vehicle speeds below 16 mph (26 km/h). Once the vehicle speed drops below 16 mph (26 km/h), an audible alarm will sound and the automatic braking will be released.
See also:
Exceptions
There are several exceptions to the Normal Schedule. They are listed below:
Normal vehicle axle maintenance: Rear axles and power take-off
(PTO) units with synthetic fluid and light-duty trucks e ...
Remote start climate operation (if equipped)
The climate control system will condition the cabin temperature during
remote start. Engine idle may increase to help with adjusting the cabin
temperature.
Note: No climate control adjustments ...
Safety belt warning light and indicator chime
The safety belt warning light illuminates in the instrument cluster and a
chime sounds to remind the occupants to fasten their safety belts.
Conditions of operation
...
